(3) 4 Which is Indra? Which is Prajapati? ' f Which is the thunder? ' ' The thunderbolt/ ' The sacrificial animals.'

(1) The udgîtha, of which a poet said, I choose the deep sounding note of the Sâman as good for cattle, belongs to Agni; the indefinite note belongs to Pragâpati, the definite note to Soma, the soft and smooth note to Vâyu, the smooth and strong note to Indra, the heron-like note to Brihaspati, the dull note to Varuna. Let a man cultivate all of these, avoiding, however, that of Varuna.

(3) Having taken the Upanishad as the bow, as the great weapon, let him place on it the arrow, sharpened by devotion! Then having drawn it with a thought directed to that which is, hit the mark, O friend, viz. that which is the Indestructible!